Habitica - Habitica is a free habit building and productivity application.

Makerlog - Makerlog is the dead-simple task log that helps you stay productive and ship faster.

Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.

WIP.co - Work in progress. We are a community of makers who help each other ship product.

Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...

Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.